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Mid Level Developer Jobs in Plainfield, IL (NOW HIRING)

Constellation Energy

Engineer, Electrical

Braceville, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Joliet, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Wilmington, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Elwood, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Minooka, IL · On-site

$92K - $114K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Wilmington, IL · On-site

$92K - $114K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Braceville, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Braceville, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Coal City, IL · On-site

$92K - $114K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Joliet, IL · On-site

$92K - $114K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Wilmington, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Stateville, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Morris, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Elwood, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

Constellation Energy

Engineer, Electrical

Braceville, IL · On-site

$92K - $114K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as ...

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All JobsMid Level Developer JobsMid Level Developer Jobs in Plainfield, IL

Mid Level Developer information

See Plainfield, IL salary details

$10.7K

$84.5K

$110.1K

How much do mid level developer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for mid level developer in Plainfield, IL is $84,474.00, according to ZipRecruiter salary data. Most workers in this role earn between $58,500.00 and $104,800.00 per year, depending on experience, location, and employer.

What is a mid level developer?

Mid Level Developers are software professionals who have gained several years of experience beyond entry-level positions and are proficient in coding, debugging, and collaborating on projects. They possess a strong understanding of programming languages, frameworks, and software development processes. Mid Level Developers often take on more responsibility than junior developers, such as mentoring newer team members, contributing to architectural decisions, and ensuring code quality. They are expected to work independently on tasks, communicate effectively with team members, and deliver reliable solutions to complex problems.

What are the key skills and qualifications needed to thrive as a mid level developer?

To thrive as a Mid Level Developer, you need solid programming skills in languages such as Java, Python, or JavaScript, along with a relevant degree or equivalent experience. Familiarity with version control systems like Git, integrated development environments (IDEs), and frameworks such as React or Spring Boot is typically required. Effective problem-solving, teamwork, and strong communication skills help you collaborate and adapt to project needs. These abilities ensure you can deliver reliable code, work smoothly with colleagues, and contribute to successful software projects.

What opportunities for professional growth can a mid level developer typically expect within a software development team?

As a Mid Level Developer, you can expect to take on more complex projects, mentor junior team members, and gradually assume greater ownership of features or modules. Many organizations support growth through peer code reviews, access to learning resources, and the chance to participate in architectural discussions. Advancement paths often include moving toward senior developer roles, technical leads, or specializing in areas like DevOps or security, depending on your interests and the company's needs.

What is the difference between Mid Level Developer vs Junior Developer?

AspectMid Level DeveloperJunior Developer
Experience2-4 years0-2 years
SkillsProficient in multiple programming languages, problem-solving, and project contributionBasic coding skills, learning foundational concepts
ResponsibilitiesDeveloping features, debugging, collaborating on projectsAssisting in tasks, learning codebases, under supervision
Work EnvironmentIndependent work, team collaboration, project ownership

The main difference between a Mid Level Developer and a Junior Developer lies in experience, skill proficiency, and responsibilities. Mid Level Developers have more experience, can handle complex tasks independently, and contribute significantly to projects, whereas Junior Developers are still learning foundational skills and typically work under supervision.

What are the most commonly searched types of Developer jobs in Plainfield, IL?

The most popular types of Developer jobs in Plainfield, IL are:

What are popular job titles related to Mid Level Developer jobs in Plainfield, IL?

For Mid Level Developer jobs in Plainfield, IL, the most frequently searched job titles are:

What job categories do people searching Mid Level Developer jobs in Plainfield, IL look for?

The top searched job categories for Mid Level Developer jobs in Plainfield, IL are:

What cities near Plainfield, IL are hiring for Mid Level Developer jobs?

Cities near Plainfield, IL with the most Mid Level Developer job openings:

Mid Level Developer jobs near you
Infographic showing various Mid Level Developer job openings in Plainfield, IL as of August 2026, with employment types broken down into 75% Full Time, 16% Part Time, 1% Temporary, and 8% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $84,474 per year, or $40.6 per hour.

Engineer, Electrical

Constellation Energy Generation, LLC.

Braceville, IL • On-site

$122K - $154K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 22 days ago

Job description

Who We Are
As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.
Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.
Total Rewards
Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program; comprehensive medical, dental and vision benefits, including robust wellbeing programs; disability and life insurance benefits; paid time off for vacation, holidays, and sick days; and much more.
***This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum qualifications list below for each level***
Expected salary range:
Mid-Level - $92,700 - $114,000
Sr Level - $122,400- $154,000
Primary Purpose of Position
Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as a resource and technical expert to engineers. Responsible for technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations.
Primary Duties and Accountabilities
  • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs.
  • Provide technical expertise and consultation through direct involvement and as a subject matter expert when consulted to identify and resolve equipment and system problems
  • Directly fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations
  • Perform engineering tasks as assigned by supervision applying engineering principles.
  • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications.
  • Perform independent research, reviews, studies and analyses in support of technical projects and programs.
  • Recommend equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations.
  • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department.

Minimum Qualifications:
MINIMUM QUALIFICATIONS for Mid-level E02 Engineer
Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 2 years of nuclear or related engineering experience
Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties
MINIMUM QUALIFICATIONS for Senior E03 Engineer
Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience
Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties
Preferred Qualifications
  • Master's and Bachelor's degree in Electrical Engineering strongly preferred
  • Electrical Design Engineering experience highly preferred
  • Working knowledge of codes and standards
  • Professional Engineer Registration

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